What is CVE-2019-4051?

CVE-2019-4051 is a medium-severity vulnerability in IBM API Connect, classified under Information Disclosure. CVSS score: 5.3/10. Published 2019-04-08.

How severe is CVE-2019-4051?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Information disclosure in IBM API Connect

CVE-2019-4051

Some URIs in IBM API Connect 2018.1 and 2018.4.1.3 disclose system specification information like the machine id, system uuid, filesystem paths, network interface names along with their mac addresses. An attacker can use this information in targeted attacks. IBM X-Force ID: 156542.

Vulnerability class: Information Disclosure

Published 2019-04-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.017 (76.4th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000

Affected products

IBM API Connect — versions 2018.1, 2018.4.1.3
IBM API Connect

Weakness classification (CWE)

CWE-200 — Information Disclosure

References

www.ibm.com/support/docview.wss (Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/156542 (VDB Entry, vdb-entry, Vendor Advisory)
www.securityfocus.com/bid/107841 (vdb-entry)

Frequently asked questions

What is CVE-2019-4051?: CVE-2019-4051 is a medium-severity vulnerability in IBM API Connect, classified under Information Disclosure. CVSS score: 5.3/10. Published 2019-04-08.
How severe is CVE-2019-4051?: Medium severity. CVSS v3 base score is 5.3 out of 10.